1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2019 BayLibre SAS.
4 * Author: Jerome Brunet <jbrunet@baylibre.com>
5 */
6
7/* Libretech Amlogic GX PC form factor - AKA: Tartiflette */
8
9#include <dt-bindings/input/input.h>
10#include <dt-bindings/leds/common.h>
11#include <dt-bindings/sound/meson-aiu.h>
12
13/ {
14	adc-keys {
15		compatible = "adc-keys";
16		io-channels = <&saradc 0>;
17		io-channel-names = "buttons";
18		keyup-threshold-microvolt = <1800000>;
19
20		button-update {
21			label = "update";
22			linux,code = <KEY_VENDOR>;
23			press-threshold-microvolt = <1300000>;
24		};
25	};
26
27	aliases {
28		serial0 = &uart_AO;
29		ethernet0 = &ethmac;
30		spi0 = &spifc;
31	};
32
33	dio2133: analog-amplifier {
34		compatible = "simple-audio-amplifier";
35		sound-name-prefix = "AU2";
36		VCC-supply = <&vcc5v>;
37		enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
38	};
39
40	chosen {
41		stdout-path = "serial0:115200n8";
42	};
43
44	cvbs-connector {
45		compatible = "composite-video-connector";
46		status = "disabled";
47
48		port {
49			cvbs_connector_in: endpoint {
50				remote-endpoint = <&cvbs_vdac_out>;
51			};
52		};
53	};
54
55	emmc_pwrseq: emmc-pwrseq {
56		compatible = "mmc-pwrseq-emmc";
57		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
58	};
59
60	hdmi-connector {
61		compatible = "hdmi-connector";
62		type = "a";
63
64		port {
65			hdmi_connector_in: endpoint {
66				remote-endpoint = <&hdmi_tx_tmds_out>;
67			};
68		};
69	};
70
71	gpio-keys-polled {
72		compatible = "gpio-keys-polled";
73		poll-interval = <100>;
74
75		power-button {
76			label = "power";
77			linux,code = <KEY_POWER>;
78			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
79		};
80	};
81
82	memory@0 {
83		device_type = "memory";
84		reg = <0x0 0x0 0x0 0x80000000>;
85	};
86
87	ao_5v: regulator-ao_5v {
88		compatible = "regulator-fixed";
89		regulator-name = "AO_5V";
90		regulator-min-microvolt = <5000000>;
91		regulator-max-microvolt = <5000000>;
92		vin-supply = <&dc_in>;
93		regulator-always-on;
94	};
95
96	dc_in: regulator-dc_in {
97		compatible = "regulator-fixed";
98		regulator-name = "DC_IN";
99		regulator-min-microvolt = <5000000>;
100		regulator-max-microvolt = <5000000>;
101		regulator-always-on;
102	};
103
104	leds {
105		compatible = "gpio-leds";
106
107		led-green {
108			color = <LED_COLOR_ID_GREEN>;
109			function = LED_FUNCTION_DISK_ACTIVITY;
110			gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
111			linux,default-trigger = "disk-activity";
112		};
113
114		led-blue {
115			color = <LED_COLOR_ID_BLUE>;
116			function = LED_FUNCTION_STATUS;
117			gpios = <&gpio GPIODV_28 GPIO_ACTIVE_HIGH>;
118			linux,default-trigger = "heartbeat";
119			panic-indicator;
120		};
121	};
122
123	vcc_card: regulator-vcc_card {
124		compatible = "regulator-fixed";
125		regulator-name = "VCC_CARD";
126		regulator-min-microvolt = <3300000>;
127		regulator-max-microvolt = <3300000>;
128		vin-supply = <&vddio_ao3v3>;
129
130		gpio = <&gpio GPIODV_4 GPIO_ACTIVE_HIGH>;
131		enable-active-high;
132	};
133
134	vcc5v: regulator-vcc5v {
135		compatible = "regulator-fixed";
136		regulator-name = "VCC5V";
137		regulator-min-microvolt = <5000000>;
138		regulator-max-microvolt = <5000000>;
139		vin-supply = <&ao_5v>;
140
141		gpio = <&gpio GPIOH_3 GPIO_OPEN_DRAIN>;
142	};
143
144	vddio_ao18: regulator-vddio_ao18 {
145		compatible = "regulator-fixed";
146		regulator-name = "VDDIO_AO18";
147		regulator-min-microvolt = <1800000>;
148		regulator-max-microvolt = <1800000>;
149		vin-supply = <&ao_5v>;
150		regulator-always-on;
151	};
152
153	vddio_ao3v3: regulator-vddio_ao3v3 {
154		compatible = "regulator-fixed";
155		regulator-name = "VDDIO_AO3V3";
156		regulator-min-microvolt = <3300000>;
157		regulator-max-microvolt = <3300000>;
158		vin-supply = <&ao_5v>;
159		regulator-always-on;
160	};
161
162	vddio_boot: regulator-vddio_boot {
163		compatible = "regulator-fixed";
164		regulator-name = "VDDIO_BOOT";
165		regulator-min-microvolt = <1800000>;
166		regulator-max-microvolt = <1800000>;
167		vin-supply = <&vddio_ao3v3>;
168		regulator-always-on;
169	};
170
171	vddio_card: regulator-vddio-card {
172		compatible = "regulator-gpio";
173		regulator-name = "VDDIO_CARD";
174		regulator-min-microvolt = <1800000>;
175		regulator-max-microvolt = <3300000>;
176
177		gpios = <&gpio GPIODV_5 GPIO_ACTIVE_HIGH>;
178		gpios-states = <0>;
179
180		states = <3300000 0>,
181			 <1800000 1>;
182
183		regulator-settling-time-up-us = <200>;
184		regulator-settling-time-down-us = <50000>;
185	};
186
187	sound {
188		compatible = "amlogic,gx-sound-card";
189		model = "LIBRETECH-PC";
190		audio-aux-devs = <&dio2133>;
191		audio-widgets = "Speaker", "7J4-14 LEFT",
192				"Speaker", "7J4-11 RIGHT";
193		audio-routing = "AU2 INL", "ACODEC LOLN",
194				"AU2 INR", "ACODEC LORN",
195				"7J4-14 LEFT", "AU2 OUTL",
196				"7J4-11 RIGHT", "AU2 OUTR";
197		assigned-clocks = <&clkc CLKID_MPLL0>,
198				  <&clkc CLKID_MPLL1>,
199				  <&clkc CLKID_MPLL2>;
200		assigned-clock-parents = <0>, <0>, <0>;
201		assigned-clock-rates = <294912000>,
202				       <270950400>,
203				       <393216000>;
204
205		dai-link-0 {
206			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
207		};
208
209		dai-link-1 {
210			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
211			dai-format = "i2s";
212			mclk-fs = <256>;
213
214			codec-0 {
215				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
216			};
217
218			codec-1 {
219				sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
220			};
221		};
222
223		dai-link-2 {
224			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
225
226			codec-0 {
227				sound-dai = <&hdmi_tx>;
228			};
229		};
230
231		dai-link-3 {
232			sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;
233
234			codec-0 {
235				sound-dai = <&acodec>;
236			};
237		};
238	};
239};
240
241&acodec {
242	AVDD-supply = <&vddio_ao18>;
243	status = "okay";
244};
245
246&aiu {
247	status = "okay";
248};
249
250&cec_AO {
251	pinctrl-0 = <&ao_cec_pins>;
252	pinctrl-names = "default";
253	hdmi-phandle = <&hdmi_tx>;
254	status = "okay";
255};
256
257&cvbs_vdac_port {
258	cvbs_vdac_out: endpoint {
259		remote-endpoint = <&cvbs_connector_in>;
260	};
261};
262
263&ethmac {
264	pinctrl-0 = <&eth_pins>, <&eth_phy_irq_pins>;
265	pinctrl-names = "default";
266	phy-handle = <&external_phy>;
267	amlogic,tx-delay-ns = <2>;
268	phy-mode = "rgmii";
269	status = "okay";
270};
271
272&external_mdio {
273	external_phy: ethernet-phy@0 {
274		reg = <0>;
275		max-speed = <1000>;
276		reset-assert-us = <10000>;
277		reset-deassert-us = <30000>;
278		reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
279		interrupt-parent = <&gpio_intc>;
280		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
281	};
282};
283
284&pinctrl_periphs {
285	/*
286	 * Make sure the reset pin of the usb HUB is driven high to take
287	 * it out of reset.
288	 */
289	usb1_rst_pins: usb1_rst_irq {
290		mux {
291			groups = "GPIODV_3";
292			function = "gpio_periphs";
293			bias-disable;
294			output-high;
295		};
296	};
297
298	/* Make sure the phy irq pin is properly configured as input */
299	eth_phy_irq_pins: eth_phy_irq {
300		mux {
301			groups = "GPIOZ_15";
302			function = "gpio_periphs";
303			bias-disable;
304			output-disable;
305		};
306	};
307};
308
309&hdmi_tx {
310	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
311	pinctrl-names = "default";
312	hdmi-supply = <&vcc5v>;
313	status = "okay";
314};
315
316&hdmi_tx_tmds_port {
317	hdmi_tx_tmds_out: endpoint {
318		remote-endpoint = <&hdmi_connector_in>;
319	};
320};
321
322&ir {
323	pinctrl-0 = <&remote_input_ao_pins>;
324	pinctrl-names = "default";
325	status = "okay";
326};
327
328&i2c_C {
329	pinctrl-0 = <&i2c_c_dv18_pins>;
330	pinctrl-names = "default";
331	status = "okay";
332
333	rtc: rtc@51 {
334		reg = <0x51>;
335		compatible = "nxp,pcf8563";
336		#clock-cells = <0>;
337		clock-output-names = "rtc_clkout";
338	};
339};
340
341&pwm_AO_ab {
342	pinctrl-0 = <&pwm_ao_a_3_pins>;
343	pinctrl-names = "default";
344	clocks = <&clkc CLKID_FCLK_DIV4>;
345	clock-names = "clkin0";
346	status = "okay";
347};
348
349&pwm_ab {
350	pinctrl-0 = <&pwm_b_pins>;
351	pinctrl-names = "default";
352	clocks = <&clkc CLKID_FCLK_DIV4>;
353	clock-names = "clkin0";
354	status = "okay";
355};
356
357&pwm_ef {
358	pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
359	pinctrl-names = "default";
360	clocks = <&clkc CLKID_FCLK_DIV4>;
361	clock-names = "clkin0";
362	status = "okay";
363};
364
365&saradc {
366	vref-supply = <&vddio_ao18>;
367	status = "okay";
368};
369
370/* SD card */
371&sd_emmc_b {
372	pinctrl-0 = <&sdcard_pins>;
373	pinctrl-1 = <&sdcard_clk_gate_pins>;
374	pinctrl-names = "default", "clk-gate";
375
376	bus-width = <4>;
377	cap-sd-highspeed;
378	sd-uhs-sdr12;
379	sd-uhs-sdr25;
380	sd-uhs-sdr50;
381	sd-uhs-ddr50;
382	max-frequency = <200000000>;
383	disable-wp;
384
385	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
386
387	vmmc-supply = <&vcc_card>;
388	vqmmc-supply = <&vddio_card>;
389
390	status = "okay";
391};
392
393/* eMMC */
394&sd_emmc_c {
395	pinctrl-0 = <&emmc_pins>;
396	pinctrl-1 = <&emmc_clk_gate_pins>;
397	pinctrl-names = "default", "clk-gate";
398
399	bus-width = <8>;
400	cap-mmc-highspeed;
401	mmc-ddr-1_8v;
402	mmc-hs200-1_8v;
403	max-frequency = <200000000>;
404	disable-wp;
405
406	mmc-pwrseq = <&emmc_pwrseq>;
407	vmmc-supply = <&vddio_ao3v3>;
408	vqmmc-supply = <&vddio_boot>;
409
410	status = "okay";
411};
412
413&spifc {
414	pinctrl-0 = <&nor_pins>;
415	pinctrl-names = "default";
416	status = "okay";
417
418	gd25lq128: flash@0 {
419		compatible = "jedec,spi-nor";
420		#address-cells = <1>;
421		#size-cells = <1>;
422		reg = <0>;
423		spi-max-frequency = <12000000>;
424	};
425};
426
427&uart_AO {
428	pinctrl-0 = <&uart_ao_a_pins>;
429	pinctrl-names = "default";
430	status = "okay";
431};
432
433&usb {
434	status = "okay";
435	dr_mode = "host";
436};
437
438&usb2_phy0 {
439	pinctrl-0 = <&usb1_rst_pins>;
440	pinctrl-names = "default";
441	phy-supply = <&vcc5v>;
442};
443
444&usb2_phy1 {
445	phy-supply = <&vcc5v>;
446};
447